Master WA33C Owner's manual

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PLEASE READ THE FOLLOWING INSTRUCTION

CAREFULLY IN ORDER TO MAKE SURE THAT THE

HEATER IS USED PROPERLY AND DOES NOT CAUSE

MALFUNCTION.

► 1. USE

Universal oil heater are suitable for heating big size buildings

without central heating (shops, service stations, industrial build-

ings, warehouses, inventory buildings, basements, garages,

etc.) The heater runs on most oils of mineral and plant origin,

such as motor oils, heating oil, gear oils, hydraulic oils at a tem-

perature of 15ºC and maximum ignition temperature not lower

than 56ºC and density above 980 kg/m³.

NOT TO BE USED WITH TRANSFORMER (INSU-

LATING) OILS. THEY MAY CONTAIN SUBSTANCES

THAT CAN DAMAGE THE HEATER.

► 2. STORAGE CONDITIONS

Universal oil heaters should be stored in the following condi-

tions:

temperature -20 - +85°C

relative humidity 5-85%

pressure 800-1200hPa

free of dust √

free of chemical pollutants √

► 3. CONDITIONS FOR USE

Universal oil heaters should be operated under the following

conditions:

temperature 0 - 30°C

relative humidity 5-85%

pressure 800-1200hPa

environmental impact protection IP21

appropriate ventilation of heated area √

► 4. CHARACTERISTICS OF THE CONTROL PAN-

EL

► the heater may be regulated and set at 17 and 33 kW,

► protection against overheating the burner,

► protection against overow of oil in the burner,

► automatic retaining of previous settings in case of power

failure.

► 5. SAFETY MEASURES

► Universal oil heater is connected to 230V/50Hz alternating

current network.

► Universal oil heater is equipped with two bimetallic sensors

assuring safe and effective functioning of the device.

► Bimetallic sensor (FIG4/p1) in the burner triggers reaction in

form of clenching contacts when the temperature in burner rises

above 40°C and opening of contacts when the temperature falls

below 35°C.

► Second bimetallic sensor (FIG4/p2) is installed next to the

blower fan with threshold temperature set at 90°C. Clenching of

contacts, when threshold temperature is exceeded, causes that

the burner immediately switches into the overheating mode (see

point. 8 of the instruction).

► The heater is also equipped with weigh sensor placed under

the overow tank (the so-called overow fuse) (FIG4/p3).

► When the tank is lled, the heater immediately switches into

the overow mode (see point 8 of the instruction).

► The control panel of the heater is factory - connected with

other elements of the system (such as sensors, pump, and fan)

and it is a safety requirement that during regular use there be no

interference with covered and sealed part of the control panel

as well as integrity of wiring. Any interference of unauthorized

person may cause an electric shock (230V/50Hz) and burns.

► 6. CONSTRUCTION OF CONTROL PANEL

► Fig. 1 Control panel

► 7. INSTALLATION

When installing the heater, all local regulations are to be com-

plied with, including regulations referring to national norms.

► Place the heater on at surface made of concrete.

► Level the device in order to check if the heater is levelled

correctly, place the vaporising pan in the lower part of the

combustion chamber and pour a small amount (approximately

250ml) of diesel oil onto it. The oil should stay exactly in the

middle of the pan.

► Install current stabilizer (valve) on the combustion cham-

ber’s outlet pipe in order to maintain constant draught inside the

pipe during the operation.

► Install at least 5 meters long, smooth and temperature re-

sistant horizontal ue (not aluminium ue) in order to provide

optimum draught.

► Check tightness of all joints, if necessary use the insulation

tape.

► Make sure that the vaporising pan is placed centrally in the

combustion chamber (FIG5/p3).

► Place the upper ring inside the combustion chamber with

ange facing upwards and install the hot air pipe (FIG5/p2).

TABLE OF CONTENTS

1... USE

2... STORAGE CONDITIONS

3... CONDITIONS FOR USE

4... CHARACTERISTICS OF THE CONTROL PANEL

5... SAFETY MEASURES

6... CONSTRUCTION OF THE CONTROL PANEL

7... INSTALLATION

8... FUNCTIONNING

9... HOW TO OPERATE THE HEATER

10... FAILURES AND REMEDIES

11... TECHNICAL SPECIFICATIONS

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► Check the power (230V/50Hz) and connect the heater to the

power outlet. Neither fan nor the pump should become active

because the burner has not been switched on and the heat has

not been produced yet.

► The heater should be placed away from combustible ma-

terials.

FITTING THE FLUE

To ensure the right combustion appropriate tting of the ue in

necessary. The following recommendations should be adhered

to when tting the ue:

► Minimum ue diameter - 150mm.

► Check tightness of joints between ue elements.

► Minimum ue height- 5m.

► The inside of the ue should be insulated (double skinned).

► The tube should be in free air (the tip of the ue should be

above the rooftop).

► If possible, all sections of the ue should be in vertical posi-

tion, horizontal positioning should be avoided, as well as bend-

ing of the ue. However, if it is necessary to bend a ue (for

example a ue bent in two places when it runs through a wall

or a window), the maximum angle is 45° with minimum height of

the ue increased to 6m.

CAUTION!

FLUES RUNNING THROUGH THE CEILING, WALLS

OR THE ROOF, MUST BE INSULATED IN ORDER TO

PREVENT FIRE. IT IS RECOMMENDED TO USE DOU-

BLE SKINNED FLUE IN PLACES WHERE THE FLUE

IS LIKELY TO BE TOUCHED BY THE GENERAL PUB-

LIC AND ON THE OUTSIDE OF THE BUILDING IN

ORDER TO GUARANTEE GOOD DRAUGHT AND PRE-

VENT CONDENSATION. NO MATERIALS SHOULD

BE PLACED CLOSE TO THE HEATER, EVEN INCOM-

BUSTIBLE ONES. FREE AIR MOVEMENT SHOULD

BE PROVIDED TO ASSURE PROPER COMBUSTION

PROCESS.

► Fig. 2 Fitting the ue

► 8. FUNCTIONNING

CONTROL PANEL

The control panel of universal oil heater is equipped with two

buttons (start, stop), potentiometer (min. 17kW, max. 33kW),

enabling the user to control the operation of the heater and the

diodes indicating the operating modes of the heater, equipped

with the alarm system in case of breakdown.

► Fig. 3 Front panel.

1. Power supply indicator

2. Heater operation indicator

3. Heater overheating indicator [thermostat STB]

4. Overow tank overlling indicator

5. Pump operation indicator

6. Heater off switch

7. Heater output control

8. Heater on switch

The device operates in the following modes:

STOP Device ready for use

HEATING UP Preliminary operating phase

IN OPERATION The device is working normally

SHUTTING OFF The device is shutting off

OVERHEATING Contingency switching off

VAPORISING PAN

OVERFLOW

Contingency switching off

►The heat is produced during gas combustion when oil is

heated up to high temperature. When connecting the heater to

power network, the device is in stand-by mode (Stop). Heat is

not produced; niether fan, nor pump are working. At this time

the diode nr. 1 (power supply) on the control panel is glowing.

Pressing of the Start button triggers the diode nr. 2 (operation)

to turn on and the heater goes into the heating up mode. At this

time the diode nr. 2 (operation) is blinking. Once the burner is

heated up to 40°C the joints of thermostat placed next to com-

bustion chamber clutch activating the oil inlet pipe and blower

fan. The diode nr. 5 (pump) on the control panel goes on, blink-

ing for 30min, while the diode nr. 2 (operation) starts glowing

uninterruptedly, instead of blinking. At the beginning smaller

amount of oil is required, for at least 30 minutes after the fan

and the pump turn on, when the burner has not been heated up,

the device will work on lower power. During this time the pump

feeds the combustion chamber with approximately 1,46 kg/h of

oil. After 30 minutes of steady work the diode nr. 5 (pump) stops

blinking: at this point the power can be regulated with the help

of the potentiometer located on the front panel of the heater.

During the work on maximum power the chamber is supplied

with approximately 2,8 kg/h of oil.

► The heater may switch off automatically if the combustion

chamber is overheated or in case of overow.

► Overheating signal is generated by the bimetallic thermo-

stat located close to the fan. Opening of joints signals that the

threshold temperature has been exceeded. Control system

turns the pump off. Overheating is signalled by blinking of red

diode nr. 3 (overheating) on the control panel and the alarm. Fan

works until the temperature in the chamber falls below 35°C.

After the temperature in the chamber has fallen below 35°C, the

heater switches to the Stop mode.

► Once the heater is in the Stop mode (and even after switch-

ing off and subsequently switching on the device) the overheat-

ing signal is on. This enables the user to nd out what caused

the heater to stop.

► In order to reset the overheating signal and regain normal

functioning of the device, one should wait until the burner cools

off completely (the fan switches off) and press the button on

the casing of bimetallic thermostat. Then press the Stop button,

which will cause the overheating diode and the alarm go off.

► Overow signal is generated by a mechanic sensor located

underneath the overow tank. Opening of joints signals that the

tank is overow. At the same time the pump is switched off. The

overow is signalled by the red diode nr. 4 (overow) blinking on

the control panel and the alarm. Fan works until the temperature

in the chamber falls below 35°C. After the temperature in the

chamber has fallen below 35°C, the burner switches to the Stop

mode. The overow tank is to be emptied, and then Stop button

should be pressed, which will cause the red overow diode to go

off. The heater may be switched on again.

► Fig. 4. Location of the safety elements of the heater.

1. Thermostats near the combustion chamber

2. Protection against overheating

3. Overow fuse

► 9. HOW TO OPERATE THE HEATER

CAUTION!

OIL MUST NOT BE POURED INTO THE BURNER IF

THE CHAMBER OR THE PAN IS STILL HOT!!! AL-

WAYS WAIT UNTIL THE BURNER HAS COOLED

DOWN. NON-COMPLIANCE WITH THE ABOVE WARN-

ING MAY CAUSE EXPLOSION OF OIL VAPOURS AND

BURNS!!!

► Fig. 5 Combustion chamber

1. Chamber cover

2. Cylinder

3. Upper ring

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4. Wire ring

5. Body of the combustion chamber

6. Oil overow pipe

7. Vaporising pan

8. Chamber base

HOW TO OPERATE THE DEVICE

► Once engaged, the heater switches to desired modes de-

pending on settings chosen by the user and information trans-

mitted by sensors connected to the control panel.

► If necessary, water may be poured from the tank and re-

placed with oil.

► Make sure the oveow protection mechanism works properly

by pulling down the lever of the vaporising pan: it must turn back

to the initial position automatically, accompanied by the specic

„click” sound.

► Make sure the oil inlet pipe (burner) is put in up to the stop

into the case of the heater (if not, put it in up to the stop).

► Plug into the power socket (230V/50Hz).

► Pull the upper part of the cover aside and take the burner

lid off, take the cylinder and the ring out (if necessary, clean

thoroughly the vaporising pan and its base, the burner, cylinder

and ring). Check if the vaporising pan is cool and clean, and

then pour approximately 250 ml of heating or diesel oil onto it.

► Install ring and cylinder.

► Put the burner lid back on, close the upper part of burner’s

casing.

► Light oil using a piece of scrunched up paper that needs to

be put on re and thrown onto the vaporising pan.

► Press Start button on the control panel (thе diode nr. 2 (op-

eration) will start blinking).

► After approx. 10-15 minutes, depending on the temperature

in the room, the fuel pump will turn on. The heater starts working

on its minimum power 17 kW; 1,46 kg/h. After 30 minutes you

may regulate the heating power with the potentiometer. In case

the potentiometer was set in the position other than minimum

when turned on, in 30 minutes the heater will automatically start

working on the set power, according to the potentiometer set-

ting.

► Each time Stop button is pressed followed by pressing the

Start button during operation will result in switching into the

Heating up mode of the burner.

SHUTTING OFF

► Press Stop on the control panel, pump stops feeding fuel

onto the vaporising pan, and ventilation fan works only until the

burner has cooled off.

THE DEVICE MUST NOT BE UNPLUGGED FOR

AS LONG AS THE VENTILATION FAN IS WORKING,

THIS CAN BE DONE ONLY AFTER THE BURNER HAS

COOLED DOWN. THE BURNER SWITCHES OFF AU-

TOMATICALLY. PLEASE REMEMBER THAT AFTER

SWITCHING OFF THE DEVICE, THE CAST-IRON PAN

REMAINS HOTTER FOR LONGER (DEPENDING ON

THE TEMPERATURE IN THE ROOM) AND THE HEAT-

ER CANNOT BE RE-ENGAGED UNTIL IT COOLS

DOWN COMPLETELY.

MAINTENANCE

► The burner requires various maintenance works. Following

producer’s recommendations regarding maintenance will as-

sure failure-free and safe functioning of the device.

► Vaporising pan and elements of the combustion chamber

should be cleaned daily.

► Check if the oil overow pipe is unobstructed (FIG5/p6), and

clean if necessary.

► Clean the burner basin located inside the combustion cham-

ber at least once a week (burner basin is located under the va-

porising pan).

► Check if air inlets in the lower and upper part of the combus-

tion chamber are not obstructed.

► Clean the oil feed line once a week, maximum time of opera-

tion without cleaning the line feeding oil onto the vaporising pan

is approximately 7-14 hours (depending on the type of oil used

for heating).

► Clean the fuel tank and oil pump lters during heating sea-

son.

►If the heater is not used for a longer period of time, the com-

bustion chamber and the tank should be cleaned thoroughly,

and then covered with a thin layer of oil in order to prevent cor-

rosion.

IT IS RECOMMENDED TO HAVE ALL MAINTE-

NANCE WORKS DONE EACH SEAZON BY AN AU-

THORISED DEALER.

► 10. FAILURES AND THEIR REMEDIES

In case of a failure of the device, the following list may help

identify its cause and remedy. Generally, it should be easy to x.

The following are the most common problems. Digits represent

possible causes. The order of digits suggests gradation of prob-

able cause of the failure.

CAUTION!

UNPLUG THE DEVICE BEFORE STARTING TO FIX

THE PROBLEM.

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FAILURE CAUSE

Pump does not work and the pump indicator does not turn on 6 - 3 - 7

Flame goes off while the pump is still working 2 - 5 - 9 - 10 - 12

Combustion chamber makes noise 10 - 11 - 12

There is soot in the chamber and on the ue 8 - 9 - 10 - 11 - 12

There is unburned oil left on the vaporising pan or too much diesel oil during switching on 8 - 9 - 11 - 12

NR

CAUSE REMEDY

1

No power supply Check if the device is plugged in correctly and check the fuse.

2

Water or residues in the tank. Clean the tank and filter

3

Pump engine does not turn on Check STB and overow fuse.

4

The engine and pump do not turn on. Fuel is too thick or too cold. Dilute with diesel oil.

Check the pump thermostat and replace, if necessary.

Check the engine in order to determine if the pump is not dirty inside.

Check STB and overow fuse.

5

Oil pipe is blocked, oil ows back to the tank

through return pipe

Clean the oil pipe and replace, if necessary.

6

Pump thermostat did not reach desired temperature. Wait until the burner cools down and relight.

Replace the thermostat.

7

Overow fuse is full Clean

8

Security thermostat (STB) does not work correctly

or does not work at all

Reset the thermostat

Replace

9

Insufcient air supply for heating Clean air inlets in the combustion chamber.

Check the fan

10

Draught problems Check if the ue is installed according to “Fitting the ue”

Check tightness of the ue

Clean, if necessary

11

The draught in the ue is too strong or changing Install the draught stabiliser and set at 2 mm W.C. (16 Pa).

12

The draught in the ue is too weak. Check all joints.

Minimize the number of bends

Extend the ue

Insulate the ue on the outside of the building

Read information about the ue in this guide.

► 11. TECHNICAL SPECIFICATIONS

Minimum heating performance kW 17

Maximum heating performance kW 33

Minimum oil consumption kg/h 1,46

Maximum oil consumption kg/h 2,8

Heated air ow m

3

/h 1000

Power supply V/Hz 230/50

Power intake A 0,8

Flue diameter mm 150

Width cm 54

Height cm 137

Length cm 85

Weight kg 90

Fuel tank l 50

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